bulb meaning
EN
[bʌlb] [boʊlb] [-ʌlb] 
US WBulb
- In botany, a bulb is a short stem with fleshy leaves or leaf bases that function as food storage organs during dormancy. (In gardening, plants with other kinds of storage organ are also called "ornamental bulbous plants" or just "bulbs".)
- A bulb's leaf bases, also known as scales, generally do not support leaves, but contain food reserves to enable the plant to survive adverse weather conditions. At the center of the bulb is a vegetative growing point or an unexpanded flowering shoot.
- Other types of storage organs (such as corms, rhizomes, and tubers) are sometimes referred to as bulbs, although as the term is used in botany, they are not.
- NounPLbulbs
- Any solid object rounded at one end and tapering on the other, possibly attached to a larger object at the tapered end.
- the bulb of the aorta
- A light bulb.
- The bulb-shaped root portion of a plant such as a tulip, from which the rest of the plant may be regrown.
- (nautical) a bulbous protuberance at the forefoot of certain vessels to reduce turbulence.
- Any solid object rounded at one end and tapering on the other, possibly attached to a larger object at the tapered end.
- VerbSGbulbsPRbulbingPT, PPbulbed
- (intransitive) To take the shape of a bulb; to swell.
- (intransitive) To take the shape of a bulb; to swell.
- More Examples
- Used in the Middle of Sentence
- A few iconoclasts insist that bulbs can reflower, and you may be proving them right, but it is more likely that you started with at least two bulbs similar in size.
- In the hydromedusa Clytia hemisphaerica, cell division and cnidogenesis is primarily restricted to interstitial stem cells in the proximal tentacle bulbs [37 ].
- Stage lighting alters, too: from an exposed bulb hanging at the start to eclipselike effects later.
- Used in the Ending of Sentence
- The actors get the glory, the spotlight and the name up in lights while it is the stagehands who point the spotlight, hang the name and change the light bulbs.
- He fears the dark, so he invented a longer lasting light bulb.
- Used in the Middle of Sentence
Definition of bulb in English Dictionary
- Part-of-Speech Hierarchy
- Nouns
- Countable nouns
- Countable nouns
- Verbs
- Intransitive verbs
- Intransitive verbs
- Nouns
Source: Wiktionary
Grammatically, this word "bulb" is a noun, more specifically, a countable noun. It's also a verb, more specifically, an intransitive verb.